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Tyler
Dodge Dakota
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10/26/2007
15:36:17
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 Subject: Serpentine Belt Tensioner
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Message:
I have a major squeal/grinding coming from my truck I think its time for a tensioner and new belt. The tensioner springs back though? But when pulling on the belt from the drivers side it seems awfull loose? I can get the nutt off the pully on the tensioner no problem. Whats after that? My haynes book is kinda vague on the subject.
Thank you
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00Dak
Dodge Dakota
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10/26/2007
16:45:46
| RE: Serpentine Belt Tensioner
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Message:
To ge tthe tentioner off take a good look a the motor. Since I you didn't say the year of the truck I will base this off of the 3.9 in my 2000. You are going to have to unscrew the coil from the back of the tenioner. Beyond that I think there are 2 other bolts, one was a bit of a pain because it was under the tentioner assembly. Like all auto part replacement, it is pretty stright foward. Hope it helped.
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hey ....
Dodge Dakota
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10/26/2007
20:57:43
| RE: Serpentine Belt Tensioner
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i have a undersize pulley that will fix all your problems cause your overreving the engine.......Ill sell it for $40 works2long@excite.com
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00Dak
Dodge Dakota
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10/26/2007
23:01:23
| RE: Serpentine Belt Tensioner
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These motors are ment to do 5250 rms, and wont hit it with an auto tranny. How do you figure he is over reving it?
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partsmanager
Dodge Dakota
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10/27/2007
13:51:55
| RE: Serpentine Belt Tensioner
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If your tensioner is loacted under the coil on the passengers side. save your self the trouble of taking the whole bracket off and with a box wrench just unbolt the the single nut that holds the tensioner to the bracket just remember to line up the key in the new tensioner when you tighten the new one saves alot of hassle
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nice1
Dodge Dakota
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10/28/2007
01:35:10
| RE: Serpentine Belt Tensioner
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Message:
anyone know just how much play in the belt is normal? my belt is only 4-5 months old but it seems i can push down on the belt and get about 1/2 inch to 3/4 inch push. when i'm pushing down the tensioner also moves a little bit. the harder you push the more the tensioner moves, obviously! i don't have any belt squeel, maybe a little chirping in the morning for a minute or two till she warms up!
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mike stager
Dodge Dakota
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10/28/2007
09:43:01
| RE: Serpentine Belt Tensioner
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All depends on where you are pushing on the belt as to deflection, but it really doesn't matter. The tensioner has a mark on it that will tell you if the belt is too loose. If the marks line up, you have a stretched belt. The tensioner is designed to move some when the load on the belt changes...this is normal.
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sydak
Dodge Dakota
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10/29/2007
03:31:45
| RE: Serpentine Belt Tensioner
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Message:
The automatic belt tensioner is supposed to give a little. My tensioner started whining at 45K miles and within a week the tensioner broke..could have been from the accident 4 years before, although apparently it's common due to the fact that the stock tensioner is open from the back, exposing the spring, allowing dirt and rust to accumulate and ruin it, blah blah..
It's 2 screws from the side of the coil, then there's a bolt behind that, and it comes off.
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Tyler
Dodge Dakota
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10/29/2007
18:18:55
| RE: Serpentine Belt Tensioner
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Should I go with a mopar tensioner or just something generic? Does it matter?
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Tyler
Dodge Dakota
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10/29/2007
20:21:51
| RE: Serpentine Belt Tensioner
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Do I need the whole assembley? Or just the pulley? It seems to keep tension okay.....
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J and J Auto
GenII
10/29/2007
22:42:18
| RE: Serpentine Belt Tensioner
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Message:
There is 1 15mm bolt holding the whole works on
Checker Auto, Parts America the good year brand
new pully bearing and tensioner unit for under
$50
Stay away from the dayco brand
Just bolt it on you can also buy just the pully
and bearing but for the price replace the works
and not worrie for another 100,000 miles
There is also another idler located almost center
of motor that goes bad check this pully also
The tensioners seam to go around 100,000 miles the
other idler seams to last forever
Larry
J&J Auto
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